Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322220 | Remotely operable underwater drilling system and drilling method | Daniel P. Teeuwsen, Dustyn J. L. Elford, John T. Hackett, Mark Gurnett, Tan N. Nguyen +1 more | 2016-04-26 |
| 7537424 | Apparatus and method for handling pipe sections | Dustyn Jordan Lewis Elford, Ronald E. Foster, John T. Hackett, Tan N. Nguyen, Daniel P. Teeuwsen | 2009-05-26 |